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alisha [4.7K]
3 years ago
8

Write the reaction when solid lead(ii) nitrate is put into water:

Chemistry
1 answer:
Whitepunk [10]3 years ago
7 0
Solid lead nitrate in water gives lead oxide and nitric acid

Pb(NO3)2 + H2O ---> PbO + 2 HNO3
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If the total amount of energy required to change a substance to a different phase and temperature is positive, then does that me
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30 POINTS PLEASE HELP (IF YOU GIVE WRONG ANSWER ILL REPORT U ) What type of galaxy is described as revolving around a single poi
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Answer:

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Spiral

Explanation:

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3 years ago
Part b if you had a high-energy xenon particle beam and wanted to make gold, what element would you bombard? ? +143 54xe→197 79a
Kaylis [27]

Answer:

The missing reactant is Mn^{55} _{25}  55/25Mn

Explanation:

asumming the missing reagent is A/Z X

In nuclear reaction , the sum of atomic number and mass number of on both sides musst be equal

Thus ,

Z + 54 = 79 + 0

Z = 25

The element with atomic number 25 is Mn

A + 143 = 197 +1

A = 55

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7 0
3 years ago
a gas sample has a total pressure of 1.7atm. if the sample contains 2 gases and 1 gas has pressure of 0.7 atm, what is the press
Sonja [21]

Answer:

1 atm

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